Sample

I₍₀₀₃₎/I₍₁₀₄₎

R

a

c

c/a

NCM-1 (900˚C)

1.961

0.45

2.8747

14.1915

4.9367

NCM-2 (910˚C)

2.133

0.44

2.8761

14.1995

4.9369

NCM-3 (920˚C)

2.103

0.45

2.8750

14.1921

4.9363